Analysis
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max time kernel
96s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
20-04-2022 14:34
General
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Target
e3992c261acc5b38ca6e78c626e2952f82c7155de69f444184c321d27f4d2fd7.exe
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Size
1.2MB
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MD5
6c1524df835f66bee7bd9d8f99b285c8
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SHA1
56230808d4a146ee2bbfbe3a3b0ce04e3cd415d6
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SHA256
e3992c261acc5b38ca6e78c626e2952f82c7155de69f444184c321d27f4d2fd7
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SHA512
977e71117500a3c9065eda7936010c9d81ca97a7823b6ab8349f56807aaa6cec01f533a388381f43672b01c1ef0df10ae6267f2ee710828a0b281a8e2b8a7a7a
Malware Config
Signatures
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MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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MassLogger Main Payload 1 IoCs
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 42 IoCs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 8 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of WriteProcessMemory 17 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\e3992c261acc5b38ca6e78c626e2952f82c7155de69f444184c321d27f4d2fd7.exe"C:\Users\Admin\AppData\Local\Temp\e3992c261acc5b38ca6e78c626e2952f82c7155de69f444184c321d27f4d2fd7.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pUSBHDKTT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9819.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\e3992c261acc5b38ca6e78c626e2952f82c7155de69f444184c321d27f4d2fd7.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\e3992c261acc5b38ca6e78c626e2952f82c7155de69f444184c321d27f4d2fd7.exe"{path}"2⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\e3992c261acc5b38ca6e78c626e2952f82c7155de69f444184c321d27f4d2fd7.exe'3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD56f8f3a9a57cb30e686d3355e656031e0
SHA1acccd6befb1a2f40e662280bc5182e086a0d079b
SHA256283586e83b25099a5698cb9caf9c594a37060d11e0f55c81bb9c6d4f728448ea
SHA5128f11d645ff4f8d5b1c45b06eb52cd45319659255306d60e80e33abfd04b9e3b1164679f11a8a23bd493e4b3f6b9841d70e553a01835eeaf6035b4d05e4fd7b54
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Filesize
1KB
MD5d8fae1789a19ef2cdcdb171b0d44d828
SHA1b575276a37eee673dc986e289ee002598fa1b11f
SHA256e8fa6d9d1e68264c529c3c761448731a06f8df8fb09211ef625cf24a414dcf7e
SHA5122b8d43afb7516864c0f404b020ec98e0157ddb685bebc85aee2d67115e2fd283211c12d3d60f8cc73844f794c1afdbbe78238b9f66185b23d528c1092ef36728
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Filesize
120KB
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Filesize
104KB
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Filesize
6.2MB
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Filesize
304KB
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Filesize
104KB
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Filesize
56KB
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Filesize
200KB
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Filesize
8KB
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Filesize
600KB
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Filesize
120KB
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Filesize
6.5MB
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Filesize
408KB
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Filesize
216KB
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Filesize
32KB
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Filesize
40KB
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Filesize
136KB
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Filesize
320KB
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Filesize
408KB
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Filesize
536KB
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Filesize
8KB
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Filesize
5.2MB
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Filesize
1.2MB
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Filesize
40KB
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Filesize
5.6MB
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Filesize
584KB
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Filesize
624KB
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